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arXiv · hep-lat/0508005

Greens function of a free massive scalar field on the lattice

B. Borasoy·H. Krebs
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Abstract

We propose a method to calculate the Greens function of a free massive scalar field on the lattice numerically to very high precision. For masses m < 2 (in lattice units) the massive Greens function can be expressed recursively in terms of the massless Greens function and just two additional mass-independent constants.

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B. Borasoy, H. Krebs. 2005-08-02. Greens function of a free massive scalar field on the lattice. https://doi.org/10.1103/physrevd.72.056003

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